Question about Spirit Esprit ET4 Treadmill
After walking on the treadmill for about 25-30 minutes the Baldor Industrial Motor starts to heat up...by 40 minutes it is real hot (starts to smell)..walking speed approx 3.8 and tilt at 2..All other functions apprear to be working normally...I lifted the cover up to get more air circulation but this did not improve the heating problem...I have never oiled the machine...and have only used the treadmill "lightly over the years that I have owned it...What can I did to remedy this heating problem with the motor???
I'm not familiar with the treadmill specifically, but here is some general information that might be helpful. When a motor is under heavier load, it draws more current and therefore gets hotter. If for example, you were able to stop the motor shaft from rotating with an extreme load, it would draw what is called STALL CURRENT which is very high. So the problem seems to be that the load is out of specification. I'm assuming it would probably get hot if it was running with nobody on it as well. That would mean that the drive mechanism driven by the motor is not moving freely. If you can somehow decouple the motor from the treadmill drive system so that it has no load, and then move the mechanism by hand to see if it feels like there is a lot of resistance in the belts, pulleys or whatever drives the treadmill, then you need to lubricate to make it move smoothly. Or if you cannot decouple the motor, just look for all the bearings and pulleys and lubricate those but be careful not to get oil on drive belts or surfaces that require friction such as the surface of the belts or treadmill band. Don't ignore that the motor could get hot enough to start a fire so it is important to resolve this. It is possible that there are shorted windings and the motor is no longer good. If you can decouple the motor and run it no load, and it still gets hot, that would be an indication of such a shorted winding problem. Hope this is a little helpful. G
Posted on Feb 07, 2014
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Posted on Jan 02, 2017
I'd start by attaching a voltmeter across the motor contacts to see if you get any voltage when the unit is turned on. It's probably an AC motor but I'd check the label to be sure. If you get voltage but no turning either the motor or a startup capacitor is bad. If this is the case try moving the tread by hand with the unit turned on. If it moves on it's own after you start it moving then the start up cap needs to be replaced. Otherwise it may be time to replace the motor. If you don't have voltage across the motor contacts when the machine is turned on, I'd unplug the unit and trace the lines back from the motor to somewhere on the PC board. I'm guessing there's probably a relay on the PC board that controls the motor. I'd use an ohm meter to make sure the relay coil hasn't turned into an open circuit. Next I'd put a voltmeter across the relay coil, plug the unit back in, and turn the treadmill on and off several times. Ideally you should see the voltage across the relay coil go up and down as you turn the treadmill on and off. This voltage could be AC or DC depending on the type of relay used. If you get the proper voltage across the coil but the relay contacts aren’t' opening and closing to provide power to the motor then you need to replace the relay. If you don't get the proper voltage across the relay coil the problem is further back on the PC board.
Posted on May 15, 2009
SOURCE: I have a Spirit SR-918
We also have a Spirit SR 918. It may be the lower or upper boards powering the motor that malfunctioned.
We need a particular part replaced on it, other than those boards, so if you still have not trashed the unit, have replaced it, or are thinking about disposing of the unit, we will pick it up. We are in Chicago, as well.
It will cost us between $125 to $499 to replace our treadmill, but it is so heavy duty, that it comes down to finding the parts, since additional labor will come out even.
Posted on Dec 31, 2010
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